871 lines
120 KiB
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871 lines
120 KiB
XML
<document id="A86AC576416296BCE628B42B36D32CBB" ID-DOI="10.5252/geodiversitas2024v46a6" ID-ISSN="1638-9395" ID-Zenodo-Dep="11106598" ID-ZooBank="urn:lsid:zoobank.org:pub:6ACF6A79-9149-4781-808D-478668673EB6" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.tables_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatments_approvedBy="juliana" checkinTime="1714640714399" checkinUser="plazi" docAuthor="Scavezzoni, Isaure, Fischer, Valentin, Johnson, Michela M. & Jouve, Stéphane" docDate="2024" docId="038A56761D1FFFD0FC8F9470FC3E5085" docLanguage="en" docName="geodiversitas.2024.46.6.pdf" docOrigin="Geodiversitas 46 (6)" docSource="https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2024v46a6.pdf" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.4:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docStyleVersion="4" docTitle="Cricosaurus araucanensis" docType="treatment" docVersion="5" lastPageNumber="172" masterDocId="FFB32E0E1D3CFFF7FFA29243FFC5576E" masterDocTitle="Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes)" masterLastPageNumber="326" masterPageNumber="135" pageNumber="168" updateTime="1714681770497" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title id="FCC8AEB55B253959654CF30B20A1CB6D">Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes)</mods:title>
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<mods:namePart id="E68FA9E6425713FC2624BC86F00EE682">Scavezzoni, Isaure</mods:namePart>
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<mods:affiliation id="59FA027BA08912254927B857A5B84B7F">Universite de Liège, Evolution and Diversity Dynamics Lab, All. du Six Août 14, 4000 Liège (Belgique) isaure. scavezzoni @ gmail. com v. fischer @ uliege. be</mods:affiliation>
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<mods:nameIdentifier id="B2745B869BED5C914A1821079928FB20" type="email">isaure.scavezzoni@gmail.com</mods:nameIdentifier>
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<mods:namePart id="69DC327EAA5837B5DA044319066A38EA">Fischer, Valentin</mods:namePart>
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<mods:affiliation id="EAF1A4DA7177A0B4C566D5D6A0A86B36">Universite de Liège, Evolution and Diversity Dynamics Lab, All. du Six Août 14, 4000 Liège (Belgique) isaure. scavezzoni @ gmail. com v. fischer @ uliege. be</mods:affiliation>
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<mods:nameIdentifier id="A1F2D27EE31123903751E9458A9C34AC" type="email">v.fischer@uliege.be</mods:nameIdentifier>
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<mods:namePart id="57974B2072DFD553BF16FF803FFC30DC">Johnson, Michela M.</mods:namePart>
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<mods:affiliation id="0D4DD3671CB633C26AC40BB206146752">Department of Palaeontology, Staatliches Museum für Naturkunde Stuttgart, Museum am LÖwentor, Rosenstein 1, 70191 Stuttgart (Germany) michela. johnson @ smns-bw. de</mods:affiliation>
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<mods:nameIdentifier id="C81162A0C1BC0692A019341E043D4F6F" type="email">michela.johnson@smns-bw.de</mods:nameIdentifier>
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<mods:namePart id="59723837406D097F78340E37CC9C60D0">Jouve, Stéphane</mods:namePart>
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<mods:affiliation id="465FA7E596A070CE5E0B09FCE2A903BC">Sorbonne Universite, BUPMC - Pôle Collections, Tour Zamansky, 15 étage, bureau 1513, 4 place Jussieu, 75252 Paris Cedex 05 (France) stephane. jouve @ sorbonne-universite. fr</mods:affiliation>
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<mods:nameIdentifier id="F57E429D5C22D049847ABF3562A3A19F" type="email">stephane.jouve@sorbonne-universite.fr</mods:nameIdentifier>
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<mods:title id="99F5C505E86064EB15F4F0018FB88CCD">Geodiversitas</mods:title>
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<mods:date id="1F5AC95D238E4E77039D541F7D4AF7F0">2024</mods:date>
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<mods:number id="599387D4C52DAE1A650D3D4F34618B71">2024-05-02</mods:number>
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<mods:number id="6A8AB04DE935EAC4DDD31E30B791F569">46</mods:number>
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<mods:url id="0A2CBE54C906F4685AB939AA71D8F11F">https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2024v46a6.pdf</mods:url>
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<mods:identifier id="FA8147ABB4FFABF56BBB783ACB043691" type="DOI">10.5252/geodiversitas2024v46a6</mods:identifier>
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<treatment id="038A56761D1FFFD0FC8F9470FC3E5085" ID-DOI="http://doi.org/10.5281/zenodo.11105962" ID-Zenodo-Dep="11105962" LSID="urn:lsid:plazi:treatment:038A56761D1FFFD0FC8F9470FC3E5085" httpUri="http://treatment.plazi.org/id/038A56761D1FFFD0FC8F9470FC3E5085" lastPageId="39" lastPageNumber="172" pageId="35" pageNumber="168">
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<subSubSection id="C339B4EB1D1FFFD4FC8F9470FA6C5122" box="[813,1449,1586,1613]" pageId="35" pageNumber="168" type="nomenclature">
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<paragraph id="8B9CE7601D1FFFD4FC8F9470FA6C5122" blockId="35.[813,1449,1586,1645]" box="[813,1449,1586,1613]" pageId="35" pageNumber="168">
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<taxonomicName id="4C239CE31D1FFFD4FC8F9470FA6C5122" authority="(GASPARINI & DELLAPE, 1976)" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[813,1449,1586,1613]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="35" pageNumber="171" phylum="Chordata" rank="species" species="araucanensis">
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<emphasis id="B9573B721D1FFFD4FC8F9470FB905125" box="[813,1109,1587,1613]" italics="true" pageId="35" pageNumber="168">
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<smallCapsWord id="8D7A71BC1D1FFFD4FC8F9470FC7F5125" baselines="1606,1606" box="[813,954,1587,1613]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Cricosaurus" pageId="35" pageNumber="168">CRICOSAURUS</smallCapsWord>
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<smallCapsWord id="8D7A71BC1D1FFFD4FC63947BFB905125" baselines="1606" box="[961,1109,1592,1611]" lowerCaseFontSize="8" mainFontSize="11" normCase="lower" normString="araucanensis" pageId="35" pageNumber="168">ARAUCANENSIS</smallCapsWord>
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</emphasis>
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(
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<bibRefCitation id="EFB29A911D1FFFD4FBC79470FA645122" author="GASPARINI Z. & DELLAPE D." box="[1125,1441,1586,1613]" pageId="35" pageNumber="168" refId="ref110996" refString="GASPARINI Z. & DELLAPE D. 1976. - Un nuevo cocodrilo marino (Thalattosuchia, Metriorhynchidae) de la Formacion Vaca Muerta (Tithoniano) de la Provincia de Neuquen (Argentina). Actas 1 ° Congreso Geologico Chileno, Santiago, Chile, C 1 - C 21 [retrieved on 09 - 08 - 2023 from https: // catalogobiblioteca. sernageomin. cl / Archivos / 28834. pdf]." type="url" year="1976">
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<smallCapsWord id="8D7A71BC1D1FFFD4FBC79470FB135125" baselines="1606,1606" box="[1125,1238,1587,1613]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Gasparini" pageId="35" pageNumber="168">GASPARINI</smallCapsWord>
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&
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<smallCapsWord id="8D7A71BC1D1FFFD4FB599470FA9C5122" baselines="1606,1607" box="[1275,1369,1587,1613]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Dellape" pageId="35" pageNumber="168">DELLAPÉ</smallCapsWord>
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, 1976
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</bibRefCitation>
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)
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="C339B4EB1D1FFFD0FC8F9410FC3E5085" lastPageId="39" lastPageNumber="172" pageId="35" pageNumber="168" type="description">
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<paragraph id="8B9CE7601D1FFFD4FC8F9410FB595103" blockId="35.[813,1449,1586,1645]" box="[813,1180,1618,1645]" pageId="35" pageNumber="168">
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For measurements, see
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<tableCitation id="C6A1D2DB1D1FFFD4FB879411FB505102" box="[1061,1173,1618,1645]" captionStart-0="TABLE" captionStart-1="TABLE" captionStart-2="TABLE" captionStartId-0="19.[61,72,462,479]" captionStartId-1="25.[61,72,457,474]" captionStartId-2="29.[61,72,511,528]" captionTargetPageId-0="19" captionTargetPageId-1="25" captionTargetPageId-2="29" captionText-0="TABLE 7. — List of measurements in mm of crocodyliformes ilia. Abbreviations: Ha, anterior height; Hv, ventral length; Hd, dorsal length; PST.l, postacetabular process anteroposterior length; PST.h, postacetabular process dorsoventral height; PRE.l, preacetabular process anteroposterior length; PRE.h, preacetabular process dorsoventral height; ACE.h, acetabulum dorsoventral height; ACE.w, acetabulum width at mid-height; GAP.w, base length of acetabular perforation; GAP.h, max height of acetabular perforation; PUB.l, pubic peduncle anteroposterior length; PUB.h, pubic peduncle dorsoventral height; ISC.l, ischial peduncle anteroposterior length; ISC.h, Ischial peduncle dorsoventral height." captionText-1="TABLE 8. — List of measurements in mm of crocodyliformes ischia. When measurements are missing on the first ischium, it takes measurements from next ischium. NHMUK PV R 4763 shaft reconstructed.Abbreviations: Hd, total height from posterior peduncle to tip of posterior process; PP.h, height of posterior process tip; AP.h, base height of anterior process; AP.w, total length of anterior process; BL.l, total length of ischial blade; GAP.w, base length of acetabular perforation; GAP.h, max height of acetabular perforation;PPed.Ll, anteroposterior length of posterior peduncle taken laterally;PPed.Wa, mediolateral width of posterior peduncle taken anteriorly; BR.l, total length of peduncle bridge; APed.w, mediolateral width of anterior peduncle; APed.h, dorsoventral height of anterior peduncle; Arch.l, anterior arch length from anterior peduncle to anterior process; Arch.h, maximal depth between base arch and bone margin; S, length from proximal extremity to maximal constriction; C, anteroposterior width of constriction." captionText-2="TABLE 9. — List of measurements in mm of crocodyliformes pubes. When measurements are missing on the first bone, it takes measurements from the next one. SMNS 81608 has been reconstructed. Abbreviations: H, total proximodistal height; Wh, mediolateral width at mid length; Ldia, length of diaphysis; Lbl, freehand length of distal blade up to diaphysis; Dbl, distance between both medial and lateral extremities of distal blade; Wprox, anteroposterior width of proximal peduncle; Lprox, mediolateral length of proximal peduncle; Shaft, proximodistal length of shaft; Neck, proximodistal length of neck; C, anteroposterior width of constriction; Arch.l, anterior arch length from peduncle to pubic diaphysis; Arch.h, maximal depth between base arch and bone margin; Arch.d, distance between proximal base of arch and position of max depth along the arch." httpUri-0="http://table.plazi.org/id/DF5CB7E81D2FFFE4FF9F938DFDDF554D" httpUri-1="http://table.plazi.org/id/DF5CB7E81D25FFEEFF9F938AFAB1555A" httpUri-2="http://table.plazi.org/id/DF5CB7E81D21FFEAFF9F93BCF8FE553A" pageId="35" pageNumber="168" tableUuid-0="DF5CB7E81D2FFFE4FF9F938DFDDF554D" tableUuid-1="DF5CB7E81D25FFEEFF9F938AFAB1555A" tableUuid-2="DF5CB7E81D21FFEAFF9F93BCF8FE553A">Tables 7-9</tableCitation>
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.
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</paragraph>
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<paragraph id="8B9CE7601D1FFFD4FC8F94D1FCA251C2" blockId="35.[813,871,1682,1708]" box="[813,871,1682,1708]" pageId="35" pageNumber="168">
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<heading id="D0D4500C1D1FFFD4FC8F94D1FCA251C2" box="[813,871,1682,1708]" fontSize="11" level="2" pageId="35" pageNumber="168" reason="8">
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<emphasis id="B9573B721D1FFFD4FC8F94D1FCA251C2" box="[813,871,1682,1708]" italics="true" pageId="35" pageNumber="168">Ilium</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B9CE7601D1FFFD4FC8F94F1FC0F5085" blockId="35.[811,1456,1714,2027]" pageId="35" pageNumber="168">
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The ilium of
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<taxonomicName id="4C239CE31D1FFFD4FC1194F1FB7651A2" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[947,1203,1714,1740]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="35" pageNumber="168" phylum="Chordata" rank="species" species="araucanensis">
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<emphasis id="B9573B721D1FFFD4FC1194F1FB7651A2" box="[947,1203,1714,1740]" italics="true" pageId="35" pageNumber="168">Cricosaurus araucanensis</emphasis>
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</taxonomicName>
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(
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<figureCitation id="1318FBE51D1FFFD4FB6194F1FAF151A2" box="[1219,1332,1714,1741]" captionStart-0="FIG" captionStart-1="FIG" captionStart-2="FIG" captionStartId-0="36.[132,143,1986,2003]" captionStartId-1="38.[132,143,1940,1957]" captionStartId-2="40.[132,143,1917,1934]" captionTargetBox-0="[145,1456,182,1886]" captionTargetBox-1="[140,1448,215,1864]" captionTargetBox-2="[141,1456,181,1888]" captionTargetId-0="figure-17@36.[207,1432,279,1833]" captionTargetId-1="figure-17@38.[59,1463,185,1934]" captionTargetId-2="figure-17@40.[141,1465,253,1812]" captionTargetPageId-0="36" captionTargetPageId-1="38" captionTargetPageId-2="40" captionText-0="FIG. 16. — Left ilium of Cricosaurus araucanensis (Gasparini & Dellapé, 1976), MLP 72-IV-7-1 (holotype):A, lateral view;B, medial view; C, dorsal view;D, anterior view. Arrow points anteriorly.Target indicates anterior. 3D models of Cricosaurus araucanensis (MLP 72-IV-7-1), courtesy of Dr Yanina Herrera.Scale bar: 1 cm." captionText-1="FIG. 17. — Left ilium of Cricosaurus araucanensis (Gasparini & Dellapé, 1976), MLP 72-IV-7-1 (holotype) and right ischium and left pubis of MLP 72-II-27-6 (referred): A, left ilium of MLP 72-IV-7-1 in lateral view; B, left ischium of MLP 72-IV-7-1 in lateral view; C, left ischium of MLP 72-II-27-6 in medial view;D, left pubis of MLP 72-II-27-6 in anterior view. Arrow points anteriorly. Target indicates anterior. Pictures of Cricosaurus araucanensis (MLP 72-IV-7-1 and MLP 72-II-27-6), courtesy of Dr Yanina Herrera. Scale bars: 1 cm." captionText-2="FIG. 18. — Pelvic reconstruction of Cricosaurus araucanensis(Gasparini & Dellapé,1976),MLP 72-IV-7-1 (holotype):A, lateral view;B, anterior view;C, ventral view; D, dorsal view. Arrow points anteriorly. Target indicates anterior. The right ilium and right half of first sacral are mirrored. Distal blade of ischia are reconstructed from MLP 73-II-27-6 (Herrera et al. 2017). Pubes modified from Palaeosuchus palpebrosus (RVC-JRH-PP1), CT scan courtesy of Professor John Hutchinson. 3D models of Cricosaurus araucanensis (MLP 72-IV-7-1) courtesy of Dr Yanina Herrera. Reconstructed ischia and pubes only serve as a qualitative representation to better highlight the remains of Cricosaurus araucanensis (MLP 72-IV-7-1). Scale bar: 5 cm." figureDoi-0="http://doi.org/10.5281/zenodo.11106634" figureDoi-1="http://doi.org/10.5281/zenodo.11106636" figureDoi-2="http://doi.org/10.5281/zenodo.11106638" httpUri-0="https://zenodo.org/record/11106634/files/figure.png" httpUri-1="https://zenodo.org/record/11106636/files/figure.png" httpUri-2="https://zenodo.org/record/11106638/files/figure.png" pageId="35" pageNumber="168">Figs 16-18</figureCitation>
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) stands out from that of other metriorhynchoids in displaying an almost isosceles triangular outline but with one side (corresponding to the dorsal border of the bone) disrupted by the shape of the sacral rib attachment sites. The latter form another distinctive trait of
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<taxonomicName id="4C239CE31D1FFFD4FCDC9511FB455005" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[894,1152,1874,1900]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="35" pageNumber="168" phylum="Chordata" rank="species" species="araucanensis">
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<emphasis id="B9573B721D1FFFD4FCDC9511FB455005" box="[894,1152,1874,1900]" italics="true" pageId="35" pageNumber="168">Cricosaurus araucanensis</emphasis>
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</taxonomicName>
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(and presumably other
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<taxonomicName id="4C239CE31D1FFFD4FA269511FBB050E5" pageId="35" pageNumber="168">
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<emphasis id="B9573B721D1FFFD4FA269511FC4750E5" italics="true" pageId="35" pageNumber="168">Cricosaurus</emphasis>
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<bibRefCitation id="EFB29A911D1FFFD4FC2B9531FBE450E2" author="WAGNER A." box="[905,1057,1905,1932]" pageId="35" pageNumber="168" pagination="415 - 528" refId="ref117427" refString="WAGNER A. 1858. - Zur Kenntniss der Saurier aus den lithographischen Schiefern. Abhandlungen der Mathematisch-Physikalischen Classe der Koniglich Bayerischen Akademie der Wissenschaften (8): 415 - 528. https: // www. biodiversitylibrary. org / page / 35525774" type="journal article" year="1858">Wagner, 1858</bibRefCitation>
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species
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</taxonomicName>
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: see
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<taxonomicName id="4C239CE31D1FFFD4FB049531FA6A50E5" box="[1190,1455,1905,1932]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="35" pageNumber="168" phylum="Chordata" rank="species" species="albersdoerferi">
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<emphasis id="B9573B721D1FFFD4FB049531FA6A50E5" box="[1190,1455,1905,1932]" italics="true" pageId="35" pageNumber="168">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D1FFFD4FCF895D1FB9A50C5" box="[858,1119,1937,1964]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="35" pageNumber="168" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D1FFFD4FCF895D1FB9A50C5" box="[858,1119,1937,1964]" italics="true" pageId="35" pageNumber="168">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
) as they strongly protrude from the medial surface of the bone, hence impacting its outline in lateral view.
|
||
</paragraph>
|
||
<caption id="DF5CB7E81D18FFD3FF269581FA745087" ID-DOI="http://doi.org/10.5281/zenodo.11106634" ID-Zenodo-Dep="11106634" httpUri="https://zenodo.org/record/11106634/files/figure.png" pageId="36" pageNumber="169" startId="36.[132,143,1986,2003]" targetBox="[145,1456,182,1886]" targetPageId="36" targetType="figure">
|
||
<paragraph id="8B9CE7601D18FFD3FF269581FA745087" blockId="36.[132,1457,1986,2025]" pageId="36" pageNumber="169">
|
||
<smallCapsWord id="8D7A71BC1D18FFD3FF269581FF5850BC" baselines="1999,1999" box="[132,157,1986,2003]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="36" pageNumber="169">FIG</smallCapsWord>
|
||
. 16. — Left ilium of
|
||
<taxonomicName id="4C239CE31D18FFD3FEE39581FD3E50BD" authority="(Gasparini & Dellape, 1976)" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[321,763,1986,2003]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="36" pageNumber="169" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D18FFD3FEE39581FDD050BD" box="[321,533,1986,2003]" italics="true" pageId="36" pageNumber="169">Cricosaurus araucanensis</emphasis>
|
||
(
|
||
<bibRefCitation id="EFB29A911D18FFD3FDBE9581FD3250BD" author="GASPARINI Z. & DELLAPE D." box="[540,759,1986,2003]" pageId="36" pageNumber="169" refId="ref110996" refString="GASPARINI Z. & DELLAPE D. 1976. - Un nuevo cocodrilo marino (Thalattosuchia, Metriorhynchidae) de la Formacion Vaca Muerta (Tithoniano) de la Provincia de Neuquen (Argentina). Actas 1 ° Congreso Geologico Chileno, Santiago, Chile, C 1 - C 21 [retrieved on 09 - 08 - 2023 from https: // catalogobiblioteca. sernageomin. cl / Archivos / 28834. pdf]." type="url" year="1976">Gasparini & Dellapé, 1976</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
,
|
||
<collectionCode id="ED327FA51D18FFD3FCA09581FCEC50BD" box="[770,809,1986,2003]" pageId="36" pageNumber="169">MLP</collectionCode>
|
||
72-IV-7-1 (holotype):
|
||
<emphasis id="B9573B721D18FFD3FC7E9581FC2C50BD" bold="true" box="[988,1001,1986,2003]" pageId="36" pageNumber="169">A</emphasis>
|
||
, lateral view;
|
||
<emphasis id="B9573B721D18FFD3FBFA9581FBA050BD" bold="true" box="[1112,1125,1986,2003]" pageId="36" pageNumber="169">B</emphasis>
|
||
, medial view;
|
||
<emphasis id="B9573B721D18FFD3FB789581FB2D50BD" bold="true" box="[1242,1256,1986,2003]" pageId="36" pageNumber="169">C</emphasis>
|
||
, dorsal view;
|
||
<emphasis id="B9573B721D18FFD3FAFA9581FAA350BD" bold="true" box="[1368,1382,1986,2003]" pageId="36" pageNumber="169">D</emphasis>
|
||
, anterior view. Arrow points anteriorly.Target indicates anterior. 3D models of
|
||
<emphasis id="B9573B721D18FFD3FD63959BFC5A5087" box="[705,927,2008,2025]" italics="true" pageId="36" pageNumber="169">
|
||
<taxonomicName id="4C239CE31D18FFD3FD63959BFC535087" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[705,918,2008,2025]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="36" pageNumber="169" phylum="Chordata" rank="species" species="araucanensis">Cricosaurus araucanensis</taxonomicName>
|
||
(
|
||
</emphasis>
|
||
<collectionCode id="ED327FA51D18FFD3FC3D959BFC035087" box="[927,966,2008,2025]" pageId="36" pageNumber="169">MLP</collectionCode>
|
||
72-IV-7-1), courtesy of Dr Yanina Herrera.Scale bar: 1 cm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9CE7601D19FFD2FF399294FE095421" blockId="37.[130,777,215,2028]" pageId="37" pageNumber="170">
|
||
The preacetabular process of
|
||
<taxonomicName id="4C239CE31D19FFD2FE47929BFD2A579F" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[485,751,216,242]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FE47929BFD2A579F" box="[485,751,216,242]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is anteroposteriorly long and dorsoventrally thin and accounts for about 1/3 of the total height of the bone dorsoventrally similar to
|
||
<taxonomicName id="4C239CE31D19FFD2FF559374FE0C563F" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[247,457,311,337]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D19FFD2FF559374FE0C563F" box="[247,457,311,337]" italics="true" pageId="37" pageNumber="170">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
. It is possible that the tip of the preacetabular process of
|
||
<taxonomicName id="4C239CE31D19FFD2FE649314FD12561F" box="[454,727,343,369]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D19FFD2FE649314FD12561F" box="[454,727,343,369]" italics="true" pageId="37" pageNumber="170">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D19FFD2FF269334FE4D56FF" box="[132,392,375,401]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D19FFD2FF269334FE4D56FF" box="[132,392,375,401]" italics="true" pageId="37" pageNumber="170">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
is broken, which could explain their relatively smaller size. The preacetabular process of
|
||
<taxonomicName id="4C239CE31D19FFD2FD2D93D4FEC356BE" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FD2D93D4FEC356BE" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is in line with the iliac crest as in
|
||
<taxonomicName id="4C239CE31D19FFD2FDC293F4FF73569E" baseAuthorityName="Fraas" baseAuthorityYear="1901" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D19FFD2FDC293F4FF73569E" italics="true" pageId="37" pageNumber="170">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D19FFD2FF4F9394FE33569E" box="[237,502,470,497]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D19FFD2FF4F9394FE33569E" box="[237,502,470,497]" italics="true" pageId="37" pageNumber="170">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
. However, in
|
||
<taxonomicName id="4C239CE31D19FFD2FD2C9394FEC3557E" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FD2C9394FEC3557E" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
the dorsal margin of the bone and the iliac crest do not coincide as it is the case in most metriorhynchoids (e.g. ‘
|
||
<taxonomicName id="4C239CE31D19FFD2FF629075FD04553F" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[192,705,566,593]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D19FFD2FF629075FEA4553E" box="[192,353,566,592]" italics="true" pageId="37" pageNumber="170">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D19FFD2FECC9075FDC9553E" box="[366,524,566,592]" italics="true" pageId="37" pageNumber="170">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804, ‘
|
||
<taxonomicName id="4C239CE31D19FFD2FF299015FDBF551E" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[139,634,598,624]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D19FFD2FF299015FEED551E" box="[139,296,598,624]" italics="true" pageId="37" pageNumber="170">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D19FFD2FE919015FE0B551E" box="[307,462,598,624]" italics="true" pageId="37" pageNumber="170">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
4763,
|
||
<taxonomicName id="4C239CE31D19FFD2FD619014FEB755FE" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO & LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto & Liston" authorityYear="2012" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="lythrodectikos">
|
||
<emphasis id="B9573B721D19FFD2FD619014FEB755FE" italics="true" pageId="37" pageNumber="170">Tyrannoneustes lythrodectikos</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FEDB9035FDA655FE" authorityName="NHMUK PV R" authorityYear="2618" box="[377,611,630,656]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D19FFD2FEDB9035FDA655FE" box="[377,611,630,656]" italics="true" pageId="37" pageNumber="170">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FDD29035FE2B55DE" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D19FFD2FDD29035FEC555DE" italics="true" pageId="37" pageNumber="170">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FE5890D5FD0055C1" authorityName="NHMUK PV R" authorityYear="1230" box="[506,709,662,688]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D19FFD2FE5890D5FD0055C1" box="[506,709,662,688]" italics="true" pageId="37" pageNumber="170">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
, etc.). Indeed, the iliac crest of
|
||
<taxonomicName id="4C239CE31D19FFD2FE2390F5FD4555A1" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[385,640,694,720]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FE2390F5FD4555A1" box="[385,640,694,720]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
corresponds to a hollow rather than a ridge due to the protruding attachment sites (
|
||
<figureCitation id="1318FBE51D19FFD2FEA290B6FE895461" box="[256,332,757,783]" captionStart="FIG" captionStartId="36.[132,143,1986,2003]" captionTargetBox="[145,1456,182,1886]" captionTargetId="figure-17@36.[207,1432,279,1833]" captionTargetPageId="36" captionText="FIG. 16. — Left ilium of Cricosaurus araucanensis (Gasparini & Dellapé, 1976), MLP 72-IV-7-1 (holotype):A, lateral view;B, medial view; C, dorsal view;D, anterior view. Arrow points anteriorly.Target indicates anterior. 3D models of Cricosaurus araucanensis (MLP 72-IV-7-1), courtesy of Dr Yanina Herrera.Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106634" httpUri="https://zenodo.org/record/11106634/files/figure.png" pageId="37" pageNumber="170">Fig. 16</figureCitation>
|
||
). This posterior hollow forms a relatively straight line and culminates ventrally to form the posterior corner of the ischial peduncle.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D19FFD2FF399116FCC25122" blockId="37.[130,777,215,2028]" pageId="37" pageNumber="170">
|
||
The ischial peduncle laterally protrudes from the ilium to constitute the posterior border of the bony acetabulum. The lateral facet of the ischial peduncle of
|
||
<taxonomicName id="4C239CE31D19FFD2FDAB91D6FCC054C1" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[521,773,917,943]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FDAB91D6FCC054C1" box="[521,773,917,943]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
displays the typical triangular shape found in other metriorhynchoids (e.g. ‘
|
||
<taxonomicName id="4C239CE31D19FFD2FEE09197FF045361" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D19FFD2FEE09197FE265480" box="[322,483,980,1006]" italics="true" pageId="37" pageNumber="170">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D19FFD2FE519197FD545480" box="[499,657,980,1006]" italics="true" pageId="37" pageNumber="170">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804, ‘
|
||
<taxonomicName id="4C239CE31D19FFD2FEB591B7FF5D5341" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D19FFD2FEB591B7FE7D5360" box="[279,440,1012,1038]" italics="true" pageId="37" pageNumber="170">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D19FFD2FE6A91B7FDA35360" box="[456,614,1012,1038]" italics="true" pageId="37" pageNumber="170">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
4763,
|
||
<taxonomicName id="4C239CE31D19FFD2FF459657FE1C5340" authorityName="NHMUK PV R" authorityYear="2618" box="[231,473,1044,1070]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D19FFD2FF459657FE1C5340" box="[231,473,1044,1070]" italics="true" pageId="37" pageNumber="170">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FE4A9657FEB85321" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D19FFD2FE4A9657FCC25340" box="[488,775,1044,1070]" italics="true" pageId="37" pageNumber="170">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FE2C9676FD015320" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO & LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto & Liston" authorityYear="2012" box="[398,708,1076,1102]" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="lythrodectikos">
|
||
<emphasis id="B9573B721D19FFD2FE2C9676FD015320" box="[398,708,1076,1102]" italics="true" pageId="37" pageNumber="170">Tyrannoneustes lythrodectikos</emphasis>
|
||
</taxonomicName>
|
||
). The ventral surface of the ischial peduncle is wedge-shaped and slightly concave, similar to other thalattosuchians (e.g. ‘
|
||
<taxonomicName id="4C239CE31D19FFD2FD769636FDB553C0" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D19FFD2FD769636FF3B53C0" italics="true" pageId="37" pageNumber="170">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D19FFD2FEAC96D7FE6A53C0" box="[270,431,1172,1198]" italics="true" pageId="37" pageNumber="170">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804,
|
||
<taxonomicName id="4C239CE31D19FFD2FD6296D7FEFC53A0" authorityName="NHMUK PV R" authorityYear="2618" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D19FFD2FD6296D7FEFC53A0" italics="true" pageId="37" pageNumber="170">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FEEB96F7FDAD53A0" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[329,616,1204,1230]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D19FFD2FEEB96F7FDAD53A0" box="[329,616,1204,1230]" italics="true" pageId="37" pageNumber="170">Thalattosuchus superciliosus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FDDB96F7FF2C5380" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D19FFD2FDDB96F7FF2C5380" italics="true" pageId="37" pageNumber="170">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FF579697FE355380" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[245,496,1236,1262]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="leedsi">
|
||
<emphasis id="B9573B721D19FFD2FF579697FE355380" box="[245,496,1236,1262]" italics="true" pageId="37" pageNumber="170">Charitomenosuchus leedsi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FE5E9697FD3D5380" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[508,760,1236,1262]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D19FFD2FE5E9697FD3D5380" box="[508,760,1236,1262]" italics="true" pageId="37" pageNumber="170">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
). Anteriorly, the ventral surface of the ischial peduncle transitions to the ventral surface of the pubic peduncle through a small indentation: the acetabular perforation. On the lateral surface of the ilium, the lateral facet of the ischial peduncle meets with that of the pubic peduncle without interruption. Comparatively, the lateral facet of the pubic peduncle is dorsoventrally shorter than that of the ischial peduncle similar to most thalattosuchians (with the exceptions of
|
||
<emphasis id="B9573B721D19FFD2FD219790FF7D5162" italics="true" pageId="37" pageNumber="170">
|
||
<taxonomicName id="4C239CE31D19FFD2FD219790FCC05283" box="[643,773,1491,1517]" class="Reptilia" family="Metriorhynchidae" genus="Pelagosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="genus">Pelagosaurus</taxonomicName>
|
||
typus
|
||
</emphasis>
|
||
[
|
||
<figureCitation id="1318FBE51D19FFD2FF6B97B0FED35163" box="[201,278,1523,1549]" captionStart="FIG" captionStartId="23.[132,143,1963,1980]" captionTargetBox="[136,1433,218,1871]" captionTargetId="figure-15@23.[-30,1602,298,2083]" captionTargetPageId="23" captionText="FIG. 10. — Pelvic girdle elements of Pelagosaurus typus Bronn, 1841: A, B, NHMUK PV OR 32605; A, left ischium in medial view; B, left ischium in anterior view; C, NHMUK PV OR 32604, left pubis in posterior view; D-F, SMNS 17758; D, right ilium in lateral view; E, right pubis in anterior view; F, right ischium in medial view. Target indicates anterior. Arrow points anteriorly. Scale bars: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106622" httpUri="https://zenodo.org/record/11106622/files/figure.png" pageId="37" pageNumber="170">Fig. 10</figureCitation>
|
||
] and
|
||
<taxonomicName id="4C239CE31D19FFD2FEFA97B0FD9A5163" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[344,607,1523,1549]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D19FFD2FEFA97B0FD9A5163" box="[344,607,1523,1549]" italics="true" pageId="37" pageNumber="170">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
). Ventrally, the articular surface of the pubic peduncle of
|
||
<taxonomicName id="4C239CE31D19FFD2FD8D9450FF775122" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FD8D9450FF775122" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is also wedge-shaped with its concavity laterally facing.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D19FFD2FF399411FA6A56DF" blockId="37.[130,777,215,2028]" lastBlockId="37.[811,1455,215,433]" pageId="37" pageNumber="170">
|
||
The medial side of the ilium bears the sacral rib attachment sites for the sacral ribs. Those are located along the dorsal margin of the ilium and strongly protrude dorsally, hence markedly impacting the outline of the bone in lateral view (
|
||
<figureCitation id="1318FBE51D19FFD2FF2F9491FF3A5182" box="[141,255,1746,1772]" captionStart-0="FIG" captionStart-1="FIG" captionStart-2="FIG" captionStartId-0="36.[132,143,1986,2003]" captionStartId-1="38.[132,143,1940,1957]" captionStartId-2="40.[132,143,1917,1934]" captionTargetBox-0="[145,1456,182,1886]" captionTargetBox-1="[140,1448,215,1864]" captionTargetBox-2="[141,1456,181,1888]" captionTargetId-0="figure-17@36.[207,1432,279,1833]" captionTargetId-1="figure-17@38.[59,1463,185,1934]" captionTargetId-2="figure-17@40.[141,1465,253,1812]" captionTargetPageId-0="36" captionTargetPageId-1="38" captionTargetPageId-2="40" captionText-0="FIG. 16. — Left ilium of Cricosaurus araucanensis (Gasparini & Dellapé, 1976), MLP 72-IV-7-1 (holotype):A, lateral view;B, medial view; C, dorsal view;D, anterior view. Arrow points anteriorly.Target indicates anterior. 3D models of Cricosaurus araucanensis (MLP 72-IV-7-1), courtesy of Dr Yanina Herrera.Scale bar: 1 cm." captionText-1="FIG. 17. — Left ilium of Cricosaurus araucanensis (Gasparini & Dellapé, 1976), MLP 72-IV-7-1 (holotype) and right ischium and left pubis of MLP 72-II-27-6 (referred): A, left ilium of MLP 72-IV-7-1 in lateral view; B, left ischium of MLP 72-IV-7-1 in lateral view; C, left ischium of MLP 72-II-27-6 in medial view;D, left pubis of MLP 72-II-27-6 in anterior view. Arrow points anteriorly. Target indicates anterior. Pictures of Cricosaurus araucanensis (MLP 72-IV-7-1 and MLP 72-II-27-6), courtesy of Dr Yanina Herrera. Scale bars: 1 cm." captionText-2="FIG. 18. — Pelvic reconstruction of Cricosaurus araucanensis(Gasparini & Dellapé,1976),MLP 72-IV-7-1 (holotype):A, lateral view;B, anterior view;C, ventral view; D, dorsal view. Arrow points anteriorly. Target indicates anterior. The right ilium and right half of first sacral are mirrored. Distal blade of ischia are reconstructed from MLP 73-II-27-6 (Herrera et al. 2017). Pubes modified from Palaeosuchus palpebrosus (RVC-JRH-PP1), CT scan courtesy of Professor John Hutchinson. 3D models of Cricosaurus araucanensis (MLP 72-IV-7-1) courtesy of Dr Yanina Herrera. Reconstructed ischia and pubes only serve as a qualitative representation to better highlight the remains of Cricosaurus araucanensis (MLP 72-IV-7-1). Scale bar: 5 cm." figureDoi-0="http://doi.org/10.5281/zenodo.11106634" figureDoi-1="http://doi.org/10.5281/zenodo.11106636" figureDoi-2="http://doi.org/10.5281/zenodo.11106638" httpUri-0="https://zenodo.org/record/11106634/files/figure.png" httpUri-1="https://zenodo.org/record/11106636/files/figure.png" httpUri-2="https://zenodo.org/record/11106638/files/figure.png" pageId="37" pageNumber="170">Figs 16-18</figureCitation>
|
||
). Similar to other thalattosuchians, the sacral rib attachment sites of
|
||
<taxonomicName id="4C239CE31D19FFD2FEF094B1FD965062" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[338,595,1778,1804]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FEF094B1FD965062" box="[338,595,1778,1804]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
are adjacent and share a margin mesially (e.g. ‘
|
||
<taxonomicName id="4C239CE31D19FFD2FE769551FEA25022" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D19FFD2FE769551FDBC5042" box="[468,633,1810,1836]" italics="true" pageId="37" pageNumber="170">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D19FFD2FD2B9551FF755025" italics="true" pageId="37" pageNumber="170">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804, ‘
|
||
<taxonomicName id="4C239CE31D19FFD2FE189572FEF55002" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D19FFD2FE189572FD9E5025" box="[442,603,1841,1867]" italics="true" pageId="37" pageNumber="170">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D19FFD2FDCB9572FCC25025" box="[617,775,1841,1867]" italics="true" pageId="37" pageNumber="170">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
4763,
|
||
<taxonomicName id="4C239CE31D19FFD2FEDB9512FDA15005" authorityName="NHMUK PV R" authorityYear="2618" box="[377,612,1873,1899]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D19FFD2FEDB9512FDA15005" box="[377,612,1873,1899]" italics="true" pageId="37" pageNumber="170">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FDD29512FEC450E5" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D19FFD2FDD29512FEC450E5" italics="true" pageId="37" pageNumber="170">Thalattosuchus superciliosus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FEB29532FE3450E5" authorityName="SMNS" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[272,497,1905,1931]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="maximus">
|
||
<emphasis id="B9573B721D19FFD2FEB29532FE3450E5" box="[272,497,1905,1931]" italics="true" pageId="37" pageNumber="170">Dakosaurus maximus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FDA29532FCC550E5" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[512,768,1905,1931]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D19FFD2FDA29532FCC550E5" box="[512,768,1905,1931]" italics="true" pageId="37" pageNumber="170">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FF2695D2FE4750C5" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[132,386,1937,1963]" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="leedsi">
|
||
<emphasis id="B9573B721D19FFD2FF2695D2FE4750C5" box="[132,386,1937,1963]" italics="true" pageId="37" pageNumber="170">Charitomenosuchus leedsi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FE2F95D1FD4950C5" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[397,652,1937,1963]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D19FFD2FE2F95D1FD4950C5" box="[397,652,1937,1963]" italics="true" pageId="37" pageNumber="170">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
). The sacral rib attachment sites of
|
||
<taxonomicName id="4C239CE31D19FFD2FE2095F1FD4050A5" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[386,645,1970,1996]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FE2095F1FD4050A5" box="[386,645,1970,1996]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
are in relief with their surrounding margin forming a bulge. Hence, the sacral rib attachment sites of
|
||
<taxonomicName id="4C239CE31D19FFD2FBC3929BFAA4579F" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[1121,1377,216,242]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FBC3929BFAA4579F" box="[1121,1377,216,242]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
appear to protrude from the surface of the ilium, in the way of a wax seal on an envelope. The outline of the sacral rib attachment sites of
|
||
<taxonomicName id="4C239CE31D19FFD2FCD99374FBB9563F" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[891,1148,311,337]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FCD99374FBB9563F" box="[891,1148,311,337]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
are bilobate with the biggest lobe positioned ventrally, as in ‘
|
||
<taxonomicName id="4C239CE31D19FFD2FBCF9314FC1056FF" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D19FFD2FBCF9314FACF561F" box="[1133,1290,343,369]" italics="true" pageId="37" pageNumber="170">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D19FFD2FAB79314FA6A561F" box="[1301,1455,343,369]" italics="true" pageId="37" pageNumber="170">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804,
|
||
<taxonomicName id="4C239CE31D19FFD2FBBD9334FA8056FF" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO & LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto & Liston" authorityYear="2012" box="[1055,1349,375,401]" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="lythrodectikos">
|
||
<emphasis id="B9573B721D19FFD2FBBD9334FA8056FF" box="[1055,1349,375,401]" italics="true" pageId="37" pageNumber="170">Tyrannoneustes lythrodectikos</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FAF39334FC7056DE" authorityName="NHMUK PV R" authorityYear="2618" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D19FFD2FAF39334FC7056DE" italics="true" pageId="37" pageNumber="170">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C239CE31D19FFD2FC5393D5FAA656DF" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[1009,1379,406,433]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D19FFD2FC5393D5FAC856DE" box="[1009,1293,406,432]" italics="true" pageId="37" pageNumber="170">Thalattosuchus superciliosus</emphasis>
|
||
<collectionCode id="ED327FA51D19FFD2FAB193D4FA8956DF" box="[1299,1356,407,433]" pageId="37" pageNumber="170">NMI</collectionCode>
|
||
F
|
||
</taxonomicName>
|
||
21731.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D19FFD2FC8F9395FCBB569E" blockId="37.[813,894,470,496]" box="[813,894,470,496]" pageId="37" pageNumber="170">
|
||
<heading id="D0D4500C1D19FFD2FC8F9395FCBB569E" box="[813,894,470,496]" fontSize="11" level="2" pageId="37" pageNumber="170" reason="8">
|
||
<emphasis id="B9573B721D19FFD2FC8F9395FCBB569E" box="[813,894,470,496]" italics="true" pageId="37" pageNumber="170">Ischium</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D19FFD2FC8F93B5FA565321" blockId="37.[811,1458,502,2028]" pageId="37" pageNumber="170">
|
||
The ischium of
|
||
<taxonomicName id="4C239CE31D19FFD2FC7B93B4FB1E557E" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[985,1243,503,529]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FC7B93B4FB1E557E" box="[985,1243,503,529]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D19FFD2FB4893B5FAF2557E" box="[1258,1335,502,528]" captionStart="FIG" captionStartId="38.[132,143,1940,1957]" captionTargetBox="[140,1448,215,1864]" captionTargetId="figure-17@38.[59,1463,185,1934]" captionTargetPageId="38" captionText="FIG. 17. — Left ilium of Cricosaurus araucanensis (Gasparini & Dellapé, 1976), MLP 72-IV-7-1 (holotype) and right ischium and left pubis of MLP 72-II-27-6 (referred): A, left ilium of MLP 72-IV-7-1 in lateral view; B, left ischium of MLP 72-IV-7-1 in lateral view; C, left ischium of MLP 72-II-27-6 in medial view;D, left pubis of MLP 72-II-27-6 in anterior view. Arrow points anteriorly. Target indicates anterior. Pictures of Cricosaurus araucanensis (MLP 72-IV-7-1 and MLP 72-II-27-6), courtesy of Dr Yanina Herrera. Scale bars: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106636" httpUri="https://zenodo.org/record/11106636/files/figure.png" pageId="37" pageNumber="170">Fig. 17</figureCitation>
|
||
) displays a relatively thin shaft like other
|
||
<taxonomicName id="4C239CE31D19FFD2FBC59054FAEA555E" box="[1127,1327,534,561]" pageId="37" pageNumber="170">
|
||
<emphasis id="B9573B721D19FFD2FBC59054FB1A555F" box="[1127,1247,535,561]" italics="true" pageId="37" pageNumber="170">Cricosaurus</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
and is dorsoventrally longer than anteroposteriorly wide (e.g.
|
||
<taxonomicName id="4C239CE31D19FFD2FA9B9075FCB9551E" baseAuthorityName="Fraas" baseAuthorityYear="1901" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D19FFD2FA9B9075FCB9551E" italics="true" pageId="37" pageNumber="170">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D19FFD2FC129015FB76551E" box="[944,1203,598,624]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D19FFD2FC129015FB76551E" box="[944,1203,598,624]" italics="true" pageId="37" pageNumber="170">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
). Moreover, the shaft of
|
||
<taxonomicName id="4C239CE31D19FFD2FC899035FBEC55FE" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[811,1065,630,656]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FC899035FBEC55FE" box="[811,1065,630,656]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
appears relatively small compared to the overall size of the bone due to the position of the maximal constriction of the shaft closer to the proximal peduncle than the mid-height of the bone, similar to
|
||
<taxonomicName id="4C239CE31D19FFD2FB739096FA755581" authorityName="SMNS" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[1233,1456,725,751]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="maximus">
|
||
<emphasis id="B9573B721D19FFD2FB739096FA755581" box="[1233,1456,725,751]" italics="true" pageId="37" pageNumber="170">Dakosaurus maximus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D19FFD2FCFC90B5FB975461" baseAuthorityName="Wilkinson, Young & Benton" baseAuthorityYear="2008" box="[862,1106,758,783]" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="carpenteri">
|
||
<emphasis id="B9573B721D19FFD2FCFC90B5FB975461" box="[862,1106,758,783]" italics="true" pageId="37" pageNumber="170">Torvoneustes carpenteri</emphasis>
|
||
</taxonomicName>
|
||
among metriorhynchoids. This effect is partly due to the large size of the posterior process of the ischium of
|
||
<taxonomicName id="4C239CE31D19FFD2FC769175FB125421" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[980,1239,822,848]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FC769175FB125421" box="[980,1239,822,848]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
which increases the overall size of the bone. Indeed, the dorsoventral height of the posterior process accounts for about half of the total proximodistal height of the bone as in
|
||
<taxonomicName id="4C239CE31D19FFD2FB0291D6FA4554C1" authorityName="SMNS" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[1184,1408,917,943]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="maximus">
|
||
<emphasis id="B9573B721D19FFD2FB0291D6FA4554C1" box="[1184,1408,917,943]" italics="true" pageId="37" pageNumber="170">Dakosaurus maximus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D19FFD2FC8F91F6FBD954A0" baseAuthorityName="Wilkinson, Young & Benton" baseAuthorityYear="2008" box="[813,1052,949,974]" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="carpenteri">
|
||
<emphasis id="B9573B721D19FFD2FC8F91F6FBD954A0" box="[813,1052,949,974]" italics="true" pageId="37" pageNumber="170">Torvoneustes carpenteri</emphasis>
|
||
</taxonomicName>
|
||
. Some other thalattosuchians display an enlarged posterior process but are found mainly among Teleosauroidea (e.g.
|
||
<taxonomicName id="4C239CE31D19FFD2FBAA91B7FB745360" authorityName="NHMUK PV R" authorityYear="1086" box="[1032,1201,1012,1038]" class="Reptilia" family="Teleosauridae" genus="Aeolodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="priscus">
|
||
<emphasis id="B9573B721D19FFD2FBAA91B7FB745360" box="[1032,1201,1012,1038]" italics="true" pageId="37" pageNumber="170">Aeolodon priscus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FB1D91B7FAAE5360" authority="Von Meyer, 1845" authorityName="Von Meyer" authorityYear="1845" box="[1215,1387,1012,1038]" genus="Sericodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="jugleri">
|
||
<emphasis id="B9573B721D19FFD2FB1D91B7FAAE5360" box="[1215,1387,1012,1038]" italics="true" pageId="37" pageNumber="170">Sericodon jugleri</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FADB91B6FC3F5340" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D19FFD2FADB91B6FC3F5340" italics="true" pageId="37" pageNumber="170">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
). Both the anterior and posterior margins of the ischium are concave, but with differing curvatures.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D19FFD2FCE19617FB0B5143" blockId="37.[811,1458,502,2028]" pageId="37" pageNumber="170">
|
||
The exact shape of the posterior process of the ischium of
|
||
<taxonomicName id="4C239CE31D19FFD2FC8F9637FBF553E0" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[813,1072,1140,1166]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FC8F9637FBF553E0" box="[813,1072,1140,1166]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is unknown due to a partially preserved posterior margin, but appears to have been more similar to
|
||
<taxonomicName id="4C239CE31D19FFD2FCEE96F6FBFA53A0" baseAuthorityName="Wilkinson, Young & Benton" baseAuthorityYear="2008" box="[844,1087,1205,1230]" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="carpenteri">
|
||
<emphasis id="B9573B721D19FFD2FCEE96F6FBFA53A0" box="[844,1087,1205,1230]" italics="true" pageId="37" pageNumber="170">Torvoneustes carpenteri</emphasis>
|
||
</taxonomicName>
|
||
than to other
|
||
<taxonomicName id="4C239CE31D19FFD2FB4796F7FA6A53A0" box="[1253,1455,1204,1230]" pageId="37" pageNumber="170">
|
||
<emphasis id="B9573B721D19FFD2FB4796F7FA9A53A0" box="[1253,1375,1204,1230]" italics="true" pageId="37" pageNumber="170">Cricosaurus</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
due to its large size (e.g.
|
||
<taxonomicName id="4C239CE31D19FFD2FB939697FAC45383" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[1073,1281,1236,1262]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D19FFD2FB939697FAC45383" box="[1073,1281,1236,1262]" italics="true" pageId="37" pageNumber="170">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D19FFD2FA959697FC735263" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D19FFD2FA959697FC735263" italics="true" pageId="37" pageNumber="170">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
). Indeed, the posterior process of
|
||
<taxonomicName id="4C239CE31D19FFD2FA9596B7FC685243" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FA9596B7FC685243" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is as long anteroposteriorly as it is high dorsoventrally and thus contrasts with the more slender process of most metriorhynchoids (e.g.
|
||
<emphasis id="B9573B721D19FFD2FB8D9710FB2A5203" box="[1071,1263,1363,1389]" italics="true" pageId="37" pageNumber="170">
|
||
<taxonomicName id="4C239CE31D19FFD2FB8D9710FB775203" box="[1071,1202,1363,1389]" class="Reptilia" family="Metriorhynchidae" genus="Pelagosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="genus">Pelagosaurus</taxonomicName>
|
||
typus
|
||
</emphasis>
|
||
, ‘
|
||
<taxonomicName id="4C239CE31D19FFD2FAA49710FB4652E0" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D19FFD2FAA49710FA6D5203" box="[1286,1448,1363,1389]" italics="true" pageId="37" pageNumber="170">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D19FFD2FC8F9730FC0E52E3" box="[813,971,1395,1421]" italics="true" pageId="37" pageNumber="170">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804,
|
||
<taxonomicName id="4C239CE31D19FFD2FB709730FB9A52C0" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D19FFD2FB709730FCB152C3" italics="true" pageId="37" pageNumber="170">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD2FBC997D0FAA952C3" box="[1131,1388,1427,1453]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D19FFD2FBC997D0FAA952C3" box="[1131,1388,1427,1453]" italics="true" pageId="37" pageNumber="170">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
). Due to the relative breadth of the posterior process of the ischium of
|
||
<taxonomicName id="4C239CE31D19FFD2FCEE9790FB965283" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[844,1107,1491,1517]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FCEE9790FB965283" box="[844,1107,1491,1517]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
, it is plausible that the apex of the process was more rounded than sharp as in
|
||
<taxonomicName id="4C239CE31D19FFD2FA8D97B0FC515142" baseAuthorityName="Wilkinson, Young & Benton" baseAuthorityYear="2008" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="carpenteri">
|
||
<emphasis id="B9573B721D19FFD2FA8D97B0FC515142" italics="true" pageId="37" pageNumber="170">Torvoneustes carpenteri</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D19FFD2FC689451FB0D5142" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[970,1224,1554,1580]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D19FFD2FC689451FB0D5142" box="[970,1224,1554,1580]" italics="true" pageId="37" pageNumber="170">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D19FFD2FCE19471FBE750E2" blockId="37.[811,1458,502,2028]" pageId="37" pageNumber="170">
|
||
The ventral margin of the ischium of
|
||
<taxonomicName id="4C239CE31D19FFD2FB719470FC9F5102" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FB719470FC9F5102" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
appears relatively straight, and extends anteriorly to form the anterior process. The anterior margin of the ischium is strongly concave, which contrasts with the posterior margin. The apex of the anterior process is not preserved but the hypothetical extensions of both the anterior and ventral margins result in a sharp and thin junction. Hence, the posterior and anterior process of the ischium of
|
||
<taxonomicName id="4C239CE31D19FFD2FB0E9551FA745045" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[1196,1457,1810,1836]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FB0E9551FA745045" box="[1196,1457,1810,1836]" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
are strongly asymmetrical with the anterior process appearing overall reduced, not unlike
|
||
<taxonomicName id="4C239CE31D19FFD2FB349512FABB5005" authorityName="SMNS" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[1174,1406,1873,1899]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="maximus">
|
||
<emphasis id="B9573B721D19FFD2FB349512FABB5005" box="[1174,1406,1873,1899]" italics="true" pageId="37" pageNumber="170">Dakosaurus maximus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D19FFD2FC8F9531FBDE50E5" baseAuthorityName="Wilkinson, Young & Benton" baseAuthorityYear="2008" box="[813,1051,1906,1931]" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="carpenteri">
|
||
<emphasis id="B9573B721D19FFD2FC8F9531FBDE50E5" box="[813,1051,1906,1931]" italics="true" pageId="37" pageNumber="170">Torvoneustes carpenteri</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D19FFD0FCE195D2FCCC5461" blockId="37.[811,1458,502,2028]" lastBlockId="39.[130,777,215,2028]" lastPageId="39" lastPageNumber="172" pageId="37" pageNumber="170">
|
||
The anterior peduncle of the ischium of
|
||
<taxonomicName id="4C239CE31D19FFD2FB5595D1FC4450A5" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D19FFD2FB5595D1FC4450A5" italics="true" pageId="37" pageNumber="170">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is located more dorsally (or proximally) than the posterior peduncle, similar to
|
||
<emphasis id="B9573B721D19FFD2FB2B9592FA8A5085" box="[1161,1359,2001,2027]" italics="true" pageId="37" pageNumber="170">
|
||
<taxonomicName id="4C239CE31D19FFD2FB2B9592FAD45085" box="[1161,1297,2001,2027]" class="Reptilia" family="Metriorhynchidae" genus="Pelagosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="genus">Pelagosaurus</taxonomicName>
|
||
typus
|
||
</emphasis>
|
||
,
|
||
<taxonomicName id="4C239CE31D19FFD0FAC29592FDB2579C" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" lastPageId="39" lastPageNumber="172" order="Crocodylia" pageId="37" pageNumber="170" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D19FFD0FAC29592FEA8579F" italics="true" lastPageId="39" lastPageNumber="172" pageId="37" pageNumber="170">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FD25929BFF12567F" baseAuthorityName="Fraas" baseAuthorityYear="1901" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D1BFFD0FD25929BFF12567F" italics="true" pageId="39" pageNumber="172">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FF4A92BBFE3C567F" box="[232,505,247,274]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D1BFFD0FF4A92BBFE3C567F" box="[232,505,247,274]" italics="true" pageId="39" pageNumber="172">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FDAB92BBFCC5567F" baseAuthorityName="Wilkinson, Young & Benton" baseAuthorityYear="2008" box="[521,768,248,273]" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="carpenteri">
|
||
<emphasis id="B9573B721D1BFFD0FDAB92BBFCC5567F" box="[521,768,248,273]" italics="true" pageId="39" pageNumber="172">Torvoneustes carpenteri</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C239CE31D1BFFD0FF149354FE4C565F" authorityName="NHMUK PV R" authorityYear="1230" box="[182,393,279,305]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D1BFFD0FF149354FE4C565F" box="[182,393,279,305]" italics="true" pageId="39" pageNumber="172">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
. Some teleosauroids also possess a laterally reduced acetabular perforation but their anterior peduncle moderately protrudes dorsally:
|
||
<taxonomicName id="4C239CE31D1BFFD0FDF09314FEE856FF" authority=", Proexochokefalos" authorityName="Proexochokefalos" class="Reptilia" family="Teleosauridae" genus="Aeolodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="priscus">
|
||
<emphasis id="B9573B721D1BFFD0FDF09314FCC5561F" box="[594,768,343,369]" italics="true" pageId="39" pageNumber="172">Aeolodon priscus</emphasis>
|
||
,
|
||
<emphasis id="B9573B721D1BFFD0FF269334FEE856FF" box="[132,301,375,401]" italics="true" pageId="39" pageNumber="172">Proexochokefalos</emphasis>
|
||
</taxonomicName>
|
||
cf.
|
||
<emphasis id="B9573B721D1BFFD0FEF09334FE7C56FF" box="[338,441,375,401]" italics="true" pageId="39" pageNumber="172">bouchardi</emphasis>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FE649334FD9856FF" box="[454,605,375,401]" class="Reptilia" family="Teleosauridae" genus="Teleosaurus" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="undetermined">
|
||
<emphasis id="B9573B721D1BFFD0FE649334FDFF56FF" box="[454,570,375,401]" italics="true" pageId="39" pageNumber="172">Teleosaurus</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
<bibRefCitation id="EFB29A911D1BFFD0FDC09334FEDC56DF" author="GEOFFROY SAINT-HILAIRE E." pageId="39" pageNumber="172" pagination="97 - 155" refId="ref111073" refString="GEOFFROY SAINT-HILAIRE E. 1825. - Recherches sur l'organisation des gavials, sur leurs affinites naturelles, desquelles resulte la necessite d'une autre distribution generique, Gavialis, Teleosaurus et Steneosaurus, et sur cette question, si les gavials (Gavialis) aujourd'hui repandus dans les parties orientales de l'Asie descendent par voie non interrompue de generation, des gavials antidiluviens, soit des gavials fossiles, dits crocodiles de Caen (Teleosaurus), soit des gavials fossiles du Havre et de Honfleur (Steneosaurus). Memoires du Museum d ' Histoire naturelle 12: 97 - 155. https: // www. biodiversitylibrary. org / page / 3547812" type="journal article" year="1825">Geoffroy Saint-Hilaire, 1825</bibRefCitation>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FE8793D5FDE656DE" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[293,547,406,432]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D1BFFD0FE8793D5FDE656DE" box="[293,547,406,432]" italics="true" pageId="39" pageNumber="172">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C239CE31D1BFFD0FDC093D4FF1A56BE" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D1BFFD0FDC093D4FF1A56BE" italics="true" pageId="39" pageNumber="172">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
. The anterior peduncle of
|
||
<taxonomicName id="4C239CE31D1BFFD0FDA493F4FCCD56BE" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[518,776,439,465]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FDA493F4FCCD56BE" box="[518,776,439,465]" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
displays an overall circular outline as in
|
||
<taxonomicName id="4C239CE31D1BFFD0FD889395FE06557F" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D1BFFD0FD889395FF09557E" italics="true" pageId="39" pageNumber="172">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
but to a lesser extent. Indeed, the articular surface of the anterior peduncle of
|
||
<taxonomicName id="4C239CE31D1BFFD0FD2D9054FEC3553E" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FD2D9054FEC3553E" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is greater than in
|
||
<taxonomicName id="4C239CE31D1BFFD0FE1C9075FD12553E" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[446,727,566,592]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D1BFFD0FE1C9075FD12553E" box="[446,727,566,592]" italics="true" pageId="39" pageNumber="172">Thalattosuchus superciliosus</emphasis>
|
||
</taxonomicName>
|
||
and other metriorhynchoids, resulting in the anterior peduncle being dorsoventrally thicker than the mid-section of the peduncle bridge. In addition, the anterior peduncle of
|
||
<taxonomicName id="4C239CE31D1BFFD0FD7E90D5FEA455A1" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FD7E90D5FEA455A1" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is not entirely in line with the peduncle bridge so it does not point in the exact same direction; the anterior peduncle has a dorsal component in its orientation.
|
||
</paragraph>
|
||
<caption id="DF5CB7E81D1AFFD1FF2695D7FDDC5087" ID-DOI="http://doi.org/10.5281/zenodo.11106636" ID-Zenodo-Dep="11106636" httpUri="https://zenodo.org/record/11106636/files/figure.png" pageId="38" pageNumber="171" startId="38.[132,143,1940,1957]" targetBox="[140,1448,215,1864]" targetPageId="38" targetType="figure">
|
||
<paragraph id="8B9CE7601D1AFFD1FF2695D7FDDC5087" blockId="38.[132,1457,1940,2025]" pageId="38" pageNumber="171">
|
||
<smallCapsWord id="8D7A71BC1D1AFFD1FF2695D7FF5850CA" baselines="1953,1953" box="[132,157,1940,1957]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="38" pageNumber="171">FIG</smallCapsWord>
|
||
. 17. — Left ilium of
|
||
<taxonomicName id="4C239CE31D1AFFD1FEE595D7FCCC50CB" authority="(Gasparini & Dellape, 1976)" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[327,777,1940,1957]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="38" pageNumber="171" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1AFFD1FEE595D7FDD850CB" box="[327,541,1940,1957]" italics="true" pageId="38" pageNumber="171">Cricosaurus araucanensis</emphasis>
|
||
(
|
||
<bibRefCitation id="EFB29A911D1AFFD1FD8595D7FCC150CB" author="GASPARINI Z. & DELLAPE D." box="[551,772,1940,1957]" pageId="38" pageNumber="171" refId="ref110996" refString="GASPARINI Z. & DELLAPE D. 1976. - Un nuevo cocodrilo marino (Thalattosuchia, Metriorhynchidae) de la Formacion Vaca Muerta (Tithoniano) de la Provincia de Neuquen (Argentina). Actas 1 ° Congreso Geologico Chileno, Santiago, Chile, C 1 - C 21 [retrieved on 09 - 08 - 2023 from https: // catalogobiblioteca. sernageomin. cl / Archivos / 28834. pdf]." type="url" year="1976">Gasparini & Dellapé, 1976</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
,
|
||
<collectionCode id="ED327FA51D1AFFD1FCB295D7FCF250CB" box="[784,823,1940,1957]" pageId="38" pageNumber="171">MLP</collectionCode>
|
||
72-IV-7-1 (holotype) and right ischium and left pubis of
|
||
<collectionCode id="ED327FA51D1AFFD1FAAF95D7FAF150CB" box="[1293,1332,1940,1957]" pageId="38" pageNumber="171">MLP</collectionCode>
|
||
72-II-27-6 (referred):
|
||
<emphasis id="B9573B721D1AFFD1FF6695E8FF1450D2" bold="true" box="[196,209,1963,1980]" pageId="38" pageNumber="171">A</emphasis>
|
||
, left ilium of
|
||
<collectionCode id="ED327FA51D1AFFD1FE9B95E8FEA550D2" box="[313,352,1963,1980]" pageId="38" pageNumber="171">MLP</collectionCode>
|
||
72-IV-7-1 in lateral view;
|
||
<emphasis id="B9573B721D1AFFD1FD9095E8FDFA50D2" bold="true" box="[562,575,1963,1980]" pageId="38" pageNumber="171">B</emphasis>
|
||
, left ischium of
|
||
<collectionCode id="ED327FA51D1AFFD1FD6395E8FD2D50D2" box="[705,744,1963,1980]" pageId="38" pageNumber="171">MLP</collectionCode>
|
||
72-IV-7-1 in lateral view;
|
||
<emphasis id="B9573B721D1AFFD1FC1895E8FC0D50D2" bold="true" box="[954,968,1963,1980]" pageId="38" pageNumber="171">C</emphasis>
|
||
, left ischium of
|
||
<collectionCode id="ED327FA51D1AFFD1FBE895E8FBB450D2" box="[1098,1137,1963,1980]" pageId="38" pageNumber="171">MLP</collectionCode>
|
||
72-II-27-6 in medial view;
|
||
<emphasis id="B9573B721D1AFFD1FAE995E8FA9C50D2" bold="true" box="[1355,1369,1963,1980]" pageId="38" pageNumber="171">D</emphasis>
|
||
, left pubis of
|
||
<collectionCode id="ED327FA51D1AFFD1FF389581FF0450BD" box="[154,193,1986,2003]" pageId="38" pageNumber="171">MLP</collectionCode>
|
||
72-II-27-6 in anterior view. Arrow points anteriorly. Target indicates anterior. Pictures of
|
||
<taxonomicName id="4C239CE31D1AFFD1FC039581FBB250BD" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[929,1143,1986,2003]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="38" pageNumber="171" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1AFFD1FC039581FBB250BD" box="[929,1143,1986,2003]" italics="true" pageId="38" pageNumber="171">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<collectionCode id="ED327FA51D1AFFD1FB229581FB6250BD" box="[1152,1191,1986,2003]" pageId="38" pageNumber="171">MLP</collectionCode>
|
||
72-IV-7-1 and
|
||
<collectionCode id="ED327FA51D1AFFD1FA849581FA8850BD" box="[1318,1357,1986,2003]" pageId="38" pageNumber="171">MLP</collectionCode>
|
||
72-II-27-6), courtesy of Dr Yanina Herrera. Scale bars: 1 cm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9CE7601D1BFFD0FF399156FDBA53C0" blockId="39.[130,777,215,2028]" pageId="39" pageNumber="172">
|
||
The peduncle bridge of the ischium of
|
||
<taxonomicName id="4C239CE31D1BFFD0FD8F9155FF745421" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FD8F9155FF745421" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is relatively short and thick with its dorsal margin concave and its ventral margin convex as in other thalattosuchians. The peduncle bridge is connected to the shaft at the base of the posterior peduncle and thus obstructs the acetabular perforation laterally. For this reason, the posterior peduncle does not appear to protrude from the shaft at all which is similar to
|
||
<taxonomicName id="4C239CE31D1BFFD0FF5691B6FE035360" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[244,454,1013,1039]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D1BFFD0FF5691B6FE035360" box="[244,454,1013,1039]" italics="true" pageId="39" pageNumber="172">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D1BFFD0FE5F91B6FCC35360" box="[509,774,1012,1039]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D1BFFD0FE5F91B6FCC35360" box="[509,774,1012,1039]" italics="true" pageId="39" pageNumber="172">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
among metriorhynchoids. The base of the peduncle bridge is not centred on the bone but is shifted laterally, creating space medially. In addition, the peduncle bridge is curved medially to connect with the pubic peduncle of the ilium, creating additional space for the acetabular perforation.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D1BFFD0FF3996F7FEBC5283" blockId="39.[130,777,215,2028]" pageId="39" pageNumber="172">
|
||
The posterior peduncle of
|
||
<taxonomicName id="4C239CE31D1BFFD0FE0F96F7FD6E53A0" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[429,683,1204,1230]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FE0F96F7FD6E53A0" box="[429,683,1204,1230]" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is anteroposteriorly and mediolaterally larger than the anterior peduncle as it connects to the ilium dorsally. The posterior peduncle is composed of two distinct articular facets dorsally: the medial one which connects to the ilium, and the lateral one which borders the acetabulum ventrally. The medial facet is wedge-shaped and is oriented mediodorsally. The surface of the lateral facet is slightly concave, displays a relatively quadrangular shape and is larger than the medial facet (about 2/3 of the total surface).
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D1BFFD0FF3997B0FB7A565F" blockId="39.[130,777,215,2028]" lastBlockId="39.[812,1456,215,305]" pageId="39" pageNumber="172">
|
||
The acetabular perforation of the ischium of
|
||
<taxonomicName id="4C239CE31D1BFFD0FD3297B0FEC65142" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FD3297B0FEC65142" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is greater than its counterpart on the ilium. As the peduncle bridge stems from the base of the posterior peduncle, the acetabular perforation appears nearly non-existent laterally. The medial curvature of the peduncle bridge leaves room for the acetabular perforation, which also creates a faint burrow on the medial side of the ischium at the base of the peduncle bridge. A similar configuration is found in other thalattosuchians displaying a reduced acetabular perforation laterally (e.g. ‘
|
||
<taxonomicName id="4C239CE31D1BFFD0FF629551FDC95042" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[192,524,1810,1836]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D1BFFD0FF629551FEA45042" box="[192,353,1810,1836]" italics="true" pageId="39" pageNumber="172">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D1BFFD0FECC9551FDC95042" box="[366,524,1810,1836]" italics="true" pageId="39" pageNumber="172">brachyrhynchus</emphasis>
|
||
</taxonomicName>
|
||
3804, ‘
|
||
<taxonomicName id="4C239CE31D1BFFD0FDFD9551FE1E5022" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D1BFFD0FDFD9551FCC55042" box="[607,768,1810,1836]" italics="true" pageId="39" pageNumber="172">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D1BFFD0FF269572FEE75025" box="[132,290,1841,1867]" italics="true" pageId="39" pageNumber="172">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
4763,
|
||
<taxonomicName id="4C239CE31D1BFFD0FD8B9572FE6A5002" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D1BFFD0FD8B9572FF0C5005" italics="true" pageId="39" pageNumber="172">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FE189511FD455005" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[442,640,1874,1900]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D1BFFD0FE189511FD455005" box="[442,640,1874,1900]" italics="true" pageId="39" pageNumber="172">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FD299511FF2350E5" baseAuthorityName="Wilkinson, Young & Benton" baseAuthorityYear="2008" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="carpenteri">
|
||
<emphasis id="B9573B721D1BFFD0FD299511FF2350E5" italics="true" pageId="39" pageNumber="172">Torvoneustes carpenteri</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FF539532FE5550E5" box="[241,400,1905,1931]" class="Reptilia" family="Teleosauridae" genus="Aeolodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="priscus">
|
||
<emphasis id="B9573B721D1BFFD0FF539532FE5550E5" box="[241,400,1905,1931]" italics="true" pageId="39" pageNumber="172">Aeolodon priscus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FE3E9532FD4850E5" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[412,653,1905,1931]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D1BFFD0FE3E9532FD4850E5" box="[412,653,1905,1931]" italics="true" pageId="39" pageNumber="172">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FD3A9532FF6150C2" class="Reptilia" family="Teleosauridae" genus="Teleosaurus" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="undetermined">
|
||
<emphasis id="B9573B721D1BFFD0FD3A9532FCC250E5" box="[664,775,1905,1931]" italics="true" pageId="39" pageNumber="172">Teleosaurus</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
,
|
||
<emphasis id="B9573B721D1BFFD0FF1295D2FE9F50C5" box="[176,346,1937,1963]" italics="true" pageId="39" pageNumber="172">Proexochokefalos</emphasis>
|
||
cf.
|
||
<emphasis id="B9573B721D1BFFD0FE2095D2FE2F50C5" box="[386,490,1937,1963]" italics="true" pageId="39" pageNumber="172">bouchardi</emphasis>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FE5A95D1FCC550C5" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[504,768,1937,1963]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D1BFFD0FE5A95D1FCC550C5" box="[504,768,1937,1963]" italics="true" pageId="39" pageNumber="172">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
, etc.). However, the hollow left by the acetabular perforation on the medial side of the bone appears less pronounced in
|
||
<taxonomicName id="4C239CE31D1BFFD0FC8C929BFBEA579F" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[814,1071,216,242]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FC8C929BFBEA579F" box="[814,1071,216,242]" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
, presumably due to the length and dorsal extension of the peduncle bridge which creates a large opening between the bones (
|
||
<figureCitation id="1318FBE51D1BFFD0FBC19354FB6A565F" box="[1123,1199,279,305]" captionStart="FIG" captionStartId="40.[132,143,1917,1934]" captionTargetBox="[141,1456,181,1888]" captionTargetId="figure-17@40.[141,1465,253,1812]" captionTargetPageId="40" captionText="FIG. 18. — Pelvic reconstruction of Cricosaurus araucanensis(Gasparini & Dellapé,1976),MLP 72-IV-7-1 (holotype):A, lateral view;B, anterior view;C, ventral view; D, dorsal view. Arrow points anteriorly. Target indicates anterior. The right ilium and right half of first sacral are mirrored. Distal blade of ischia are reconstructed from MLP 73-II-27-6 (Herrera et al. 2017). Pubes modified from Palaeosuchus palpebrosus (RVC-JRH-PP1), CT scan courtesy of Professor John Hutchinson. 3D models of Cricosaurus araucanensis (MLP 72-IV-7-1) courtesy of Dr Yanina Herrera. Reconstructed ischia and pubes only serve as a qualitative representation to better highlight the remains of Cricosaurus araucanensis (MLP 72-IV-7-1). Scale bar: 5 cm." figureDoi="http://doi.org/10.5281/zenodo.11106638" httpUri="https://zenodo.org/record/11106638/files/figure.png" pageId="39" pageNumber="172">Fig. 18</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D1BFFD0FC8F9314FCA3561F" blockId="39.[813,870,343,369]" box="[813,870,343,369]" pageId="39" pageNumber="172">
|
||
<heading id="D0D4500C1D1BFFD0FC8F9314FCA3561F" box="[813,870,343,369]" fontSize="11" level="2" pageId="39" pageNumber="172" reason="8">
|
||
<emphasis id="B9573B721D1BFFD0FC8F9314FCA3561F" box="[813,870,343,369]" italics="true" pageId="39" pageNumber="172">Pubis</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D1BFFD0FC8F9334FC23547E" blockId="39.[811,1457,375,2027]" pageId="39" pageNumber="172">
|
||
The pubis of
|
||
<taxonomicName id="4C239CE31D1BFFD0FC6B9334FB1256FE" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[969,1239,375,401]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FC6B9334FB1256FE" box="[969,1239,375,401]" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D1BFFD0FB4A9334FAFC56FF" box="[1256,1337,375,401]" captionStart="FIG" captionStartId="38.[132,143,1940,1957]" captionTargetBox="[140,1448,215,1864]" captionTargetId="figure-17@38.[59,1463,185,1934]" captionTargetPageId="38" captionText="FIG. 17. — Left ilium of Cricosaurus araucanensis (Gasparini & Dellapé, 1976), MLP 72-IV-7-1 (holotype) and right ischium and left pubis of MLP 72-II-27-6 (referred): A, left ilium of MLP 72-IV-7-1 in lateral view; B, left ischium of MLP 72-IV-7-1 in lateral view; C, left ischium of MLP 72-II-27-6 in medial view;D, left pubis of MLP 72-II-27-6 in anterior view. Arrow points anteriorly. Target indicates anterior. Pictures of Cricosaurus araucanensis (MLP 72-IV-7-1 and MLP 72-II-27-6), courtesy of Dr Yanina Herrera. Scale bars: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106636" httpUri="https://zenodo.org/record/11106636/files/figure.png" pageId="39" pageNumber="172">Fig. 17</figureCitation>
|
||
) possess a relatively long and thin shaft as in other
|
||
<taxonomicName id="4C239CE31D1BFFD0FAA393D4FAB856DF" authorityName="Wagner" authorityYear="1858" box="[1281,1405,407,433]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9573B721D1BFFD0FAA393D4FAB856DF" box="[1281,1405,407,433]" italics="true" pageId="39" pageNumber="172">Cricosaurus</emphasis>
|
||
</taxonomicName>
|
||
(i.e.
|
||
<taxonomicName id="4C239CE31D1BFFD0FC8F93F4FBC456BE" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[813,1025,439,465]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D1BFFD0FC8F93F4FBC456BE" box="[813,1025,439,465]" italics="true" pageId="39" pageNumber="172">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D1BFFD0FB9893F4FA8156BE" box="[1082,1348,438,465]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D1BFFD0FB9893F4FA8156BE" box="[1082,1348,438,465]" italics="true" pageId="39" pageNumber="172">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
). Indeed, the maximum mediolateral constriction of the pubis marking the end of the shaft is located at about 36% of the total length of the pubis proximally. Comparatively, this value reaches around 40% in
|
||
<taxonomicName id="4C239CE31D1BFFD0FB8D9075FAC5553E" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[1071,1280,566,592]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D1BFFD0FB8D9075FAC5553E" box="[1071,1280,566,592]" italics="true" pageId="39" pageNumber="172">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D1BFFD0FA959075FC76551E" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D1BFFD0FA959075FC76551E" italics="true" pageId="39" pageNumber="172">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
. Also, the mediolateral width at the constriction of the shaft of
|
||
<taxonomicName id="4C239CE31D1BFFD0FC6F9035FB0A55FE" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[973,1231,630,656]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FC6F9035FB0A55FE" box="[973,1231,630,656]" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is lesser than that of the proximal peduncle. However, the latter does not account for about twice the length of the constriction, which differs from
|
||
<taxonomicName id="4C239CE31D1BFFD0FCC89095FBB15581" box="[874,1140,725,752]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D1BFFD0FCC89095FBB15581" box="[874,1140,725,752]" italics="true" pageId="39" pageNumber="172">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D1BFFD0FB0C9095FA475581" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[1198,1410,726,752]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D1BFFD0FB0C9095FA475581" box="[1198,1410,726,752]" italics="true" pageId="39" pageNumber="172">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
but to a lesser extent.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D1BFFD0FCE19156FB245260" blockId="39.[811,1457,375,2027]" pageId="39" pageNumber="172">
|
||
The pubis of
|
||
<taxonomicName id="4C239CE31D1BFFD0FC769155FB135441" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[980,1238,790,816]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FC769155FB135441" box="[980,1238,790,816]" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D1BFFD0FB449156FAF75441" box="[1254,1330,789,815]" captionStart="FIG" captionStartId="38.[132,143,1940,1957]" captionTargetBox="[140,1448,215,1864]" captionTargetId="figure-17@38.[59,1463,185,1934]" captionTargetPageId="38" captionText="FIG. 17. — Left ilium of Cricosaurus araucanensis (Gasparini & Dellapé, 1976), MLP 72-IV-7-1 (holotype) and right ischium and left pubis of MLP 72-II-27-6 (referred): A, left ilium of MLP 72-IV-7-1 in lateral view; B, left ischium of MLP 72-IV-7-1 in lateral view; C, left ischium of MLP 72-II-27-6 in medial view;D, left pubis of MLP 72-II-27-6 in anterior view. Arrow points anteriorly. Target indicates anterior. Pictures of Cricosaurus araucanensis (MLP 72-IV-7-1 and MLP 72-II-27-6), courtesy of Dr Yanina Herrera. Scale bars: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106636" httpUri="https://zenodo.org/record/11106636/files/figure.png" pageId="39" pageNumber="172">Fig. 17</figureCitation>
|
||
) drastically stands out from that of other
|
||
<taxonomicName id="4C239CE31D1BFFD0FBCC9175FAF25421" box="[1134,1335,821,848]" pageId="39" pageNumber="172">
|
||
<emphasis id="B9573B721D1BFFD0FBCC9175FB23543E" box="[1134,1254,822,848]" italics="true" pageId="39" pageNumber="172">Cricosaurus</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
in displaying a well-developed pubic symphysis and distal blade (i.e.
|
||
<taxonomicName id="4C239CE31D1BFFD0FC8F9136FBC154E1" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[813,1028,885,911]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D1BFFD0FC8F9136FBC154E1" box="[813,1028,885,911]" italics="true" pageId="39" pageNumber="172">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FBB69136FAE154E1" box="[1044,1316,885,911]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D1BFFD0FBB69136FAE154E1" box="[1044,1316,885,911]" italics="true" pageId="39" pageNumber="172">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D1BFFD0FA969136FC7154C1" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D1BFFD0FA969136FC7154C1" italics="true" pageId="39" pageNumber="172">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
). Indeed, the length of the pubic symphysis of
|
||
<taxonomicName id="4C239CE31D1BFFD0FC8F91F6FBF554A0" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[813,1072,949,975]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FC8F91F6FBF554A0" box="[813,1072,949,975]" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
constitutes about 34% of the total proximodistal height of the pubis, whereas this number reaches about 30% for
|
||
<taxonomicName id="4C239CE31D1BFFD0FC7791B6FB195360" box="[981,1244,1012,1039]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D1BFFD0FC7791B6FB195360" box="[981,1244,1012,1039]" italics="true" pageId="39" pageNumber="172">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
and this number is estimated to be even less for
|
||
<taxonomicName id="4C239CE31D1BFFD0FBC49656FAF25340" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[1126,1335,1045,1071]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D1BFFD0FBC49656FAF25340" box="[1126,1335,1045,1071]" italics="true" pageId="39" pageNumber="172">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D1BFFD0FACC9656FC395320" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D1BFFD0FACC9656FC395320" italics="true" pageId="39" pageNumber="172">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D1BFFD0FBA99677FB905320" box="[1035,1109,1076,1102]" captionStart="FIG" captionStartId="168.[132,143,1963,1980]" captionTargetBox="[147,1456,193,1905]" captionTargetId="figure-86@168.[103,1465,274,1882]" captionText="FIG. 87. — Comparison of thalattosuchian pubes; the pubes are placed on a flat surface in either anterior or posterior view to illustrate their geometry: A, Metriorhynchoidea Fitzinger, 1843;B, Metriorhynchinae Fitzinger,1843;C, Rhacheosaurini Young,Bell & Brusatte,2011; D, Geosaurinae Lydekker,1889;E, Geosaurini Lydekker, 1889. For scale bars, see the other Figures in the article." figureDoi="http://doi.org/10.5281/zenodo.11106790" httpUri="https://zenodo.org/record/11106790/files/figure.png" pageId="39" pageNumber="172">Fig. 87</figureCitation>
|
||
). However, the pubic symphysis forms an angle of approximately 45° with the median of the shaft in both
|
||
<taxonomicName id="4C239CE31D1BFFD0FC629637FB0753E0" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[960,1218,1140,1166]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FC629637FB0753E0" box="[960,1218,1140,1166]" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D1BFFD0FB5A9637FC4353C0" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="bambergensis">
|
||
<emphasis id="B9573B721D1BFFD0FB5A9637FC4353C0" italics="true" pageId="39" pageNumber="172">Cricosaurus bambergensis</emphasis>
|
||
</taxonomicName>
|
||
. The junction between the pubic symphysis and the medial margin of the bone forms almost a right angle (about 100°), whereas the transition to the distal margin is achieved through an angle of approximately 144°.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D1BFFD0FCE19750FA5351E2" blockId="39.[811,1457,375,2027]" pageId="39" pageNumber="172">
|
||
The overall shape of the pubic apron of
|
||
<taxonomicName id="4C239CE31D1BFFD0FB559757FCBA5223" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FB559757FCBA5223" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
also differs from that of other thalattosuchians due to the shape of the distal blade. Indeed, the distal blade is strongly convex with a relatively long focal length resulting in an almost hemispherical outline. As a result, the apex of the distal blade is set further distally than the lateral corner assuring the junction between the distal blade and the lateral margin, similar to ‘
|
||
<taxonomicName id="4C239CE31D1BFFD0FC5697B0FCAC5143" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D1BFFD0FC5697B0FB515163" box="[1012,1172,1523,1549]" italics="true" pageId="39" pageNumber="172">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D1BFFD0FB0297B0FAF85163" box="[1184,1341,1523,1549]" italics="true" pageId="39" pageNumber="172">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804,
|
||
<taxonomicName id="4C239CE31D1BFFD0FC1B9450FB4C5142" authorityName="NHMUK PV R" authorityYear="1230" box="[953,1161,1555,1581]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D1BFFD0FC1B9450FB4C5142" box="[953,1161,1555,1581]" italics="true" pageId="39" pageNumber="172">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C239CE31D1BFFD0FB699451FA745142" authorityName="Von Meyer" authorityYear="1831" box="[1227,1457,1554,1580]" class="Reptilia" family="Metriorhynchidae" genus="Rhacheosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="gracilis">
|
||
<emphasis id="B9573B721D1BFFD0FB699451FA745142" box="[1227,1457,1554,1580]" italics="true" pageId="39" pageNumber="172">Rhacheosaurus gracilis</emphasis>
|
||
</taxonomicName>
|
||
among metriorhynchoids (
|
||
<figureCitation id="1318FBE51D1BFFD0FBF89471FB6C5123" box="[1114,1193,1586,1613]" captionStart="FIG" captionStartId="168.[132,143,1963,1980]" captionTargetBox="[147,1456,193,1905]" captionTargetId="figure-86@168.[103,1465,274,1882]" captionText="FIG. 87. — Comparison of thalattosuchian pubes; the pubes are placed on a flat surface in either anterior or posterior view to illustrate their geometry: A, Metriorhynchoidea Fitzinger, 1843;B, Metriorhynchinae Fitzinger,1843;C, Rhacheosaurini Young,Bell & Brusatte,2011; D, Geosaurinae Lydekker,1889;E, Geosaurini Lydekker, 1889. For scale bars, see the other Figures in the article." figureDoi="http://doi.org/10.5281/zenodo.11106790" httpUri="https://zenodo.org/record/11106790/files/figure.png" pageId="39" pageNumber="172">Fig. 87</figureCitation>
|
||
). Comparatively, other
|
||
<taxonomicName id="4C239CE31D1BFFD0FC8D9410FC335102" box="[815,1014,1618,1645]" pageId="39" pageNumber="172">
|
||
<emphasis id="B9573B721D1BFFD0FC8D9410FC625103" box="[815,935,1619,1645]" italics="true" pageId="39" pageNumber="172">Cricosaurus</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
show a more parabolic distal blade with the lateral corner being the more distal element (
|
||
<figureCitation id="1318FBE51D1BFFD0FA989431FA4351E2" box="[1338,1414,1650,1676]" captionStart="FIG" captionStartId="168.[132,143,1963,1980]" captionTargetBox="[147,1456,193,1905]" captionTargetId="figure-86@168.[103,1465,274,1882]" captionText="FIG. 87. — Comparison of thalattosuchian pubes; the pubes are placed on a flat surface in either anterior or posterior view to illustrate their geometry: A, Metriorhynchoidea Fitzinger, 1843;B, Metriorhynchinae Fitzinger,1843;C, Rhacheosaurini Young,Bell & Brusatte,2011; D, Geosaurinae Lydekker,1889;E, Geosaurini Lydekker, 1889. For scale bars, see the other Figures in the article." figureDoi="http://doi.org/10.5281/zenodo.11106790" httpUri="https://zenodo.org/record/11106790/files/figure.png" pageId="39" pageNumber="172">Fig. 87</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D1BFFD0FCE194D1FC3E5085" blockId="39.[811,1457,375,2027]" pageId="39" pageNumber="172">
|
||
The medial margin of the pubis of
|
||
<taxonomicName id="4C239CE31D1BFFD0FB0C94D0FA6B51C2" baseAuthorityName="Gasparini & Dellape" baseAuthorityYear="1976" box="[1198,1454,1683,1709]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="araucanensis">
|
||
<emphasis id="B9573B721D1BFFD0FB0C94D0FA6B51C2" box="[1198,1454,1683,1709]" italics="true" pageId="39" pageNumber="172">Cricosaurus araucanensis</emphasis>
|
||
</taxonomicName>
|
||
is concave throughout whereas the lateral margin appears relatively straight for most of its length. The monotony of the lateral margin is ruptured around the mid-length of the pubis which marks the beginning of the mediolateral flaring of the pubic apron. From this point the lateral margin forms a sinusoidal wave and is first concave then convex distally. The sudden curvature of the lateral margin almost appears like a bent, and this feature is only found in
|
||
<taxonomicName id="4C239CE31D1BFFD0FC8995F1FBC250A5" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[811,1031,1970,1996]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D1BFFD0FC8995F1FBC250A5" box="[811,1031,1970,1996]" italics="true" pageId="39" pageNumber="172">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D1BFFD0FBE695F1FA9F50A5" box="[1092,1370,1969,1996]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="39" pageNumber="172" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D1BFFD0FBE695F1FA9F50A5" box="[1092,1370,1969,1996]" italics="true" pageId="39" pageNumber="172">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
among metriorhynchoids.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |